Clinopyroxene megacrysts have not undergone diffusion loss of hydrogen to a large extent.

单斜辉石巨晶自源区被携带至地表的过程中未经历明显的红扩散丢失。

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We improved FFD extrapolation operator to compensate the amplitude difference generated by geometry diffusion loss.

通过改进傅立叶有限差分的延拓算子，补偿了几何扩散损失引起的振幅误差。

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The research on diffusion loss of axial-flow fan's diffuser is carried out using theory calculation method and FLUENT software.

利用理论计算方法以及FLUENT软件对轴流通风机扩散筒的扩散损失进行了研究。

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